这是C的原程序
这是测试文件内容:
的rqyy rqyy
一ggll ggll
不gii gii
是jghu jghu
了bnh bnh是jghu jghu
我trnt trnt
他wbn wbn是jghu jghu
人wwww wwww
低点wqhk
低龄wqhw是jghu jghu
俄狄浦斯wqia
斧削wqie
低潮wqif是jghu jghu
低洼wqif
低温wqij
低沉wqip
低劣wqit
仰泳wqiy
你是wqjg
像是wqjg
含金量wqjg
编译后执行
bash-4.0$ ./reg "[a-y]*$" <aaa 没有输出数据 13,13: 13,13: 11,11: 13,13: 23,23: 13,13: 23,23: 13,13: 11,11: 23,23: 17,17: 11,11: 23,23: 11,11: 11,11: 11,11: 11,11: 11,11: 11,11: 11,11: 14,14:
bash-4.0$ ./reg "[a-y]*" <aaa 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: bash-4.0$ ./reg "[a-y]" <aaa //匹配到了一个字母 3,4:r 3,4:g 3,4:g 3,4:j 3,4:b 3,4:t 3,4:w 3,4:w 6,7:w 6,7:w 12,13:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 9,10:w bash-4.0$ ./reg "[a-y]{1,}" <aaa //匹配到了结尾四个字母 3,7:rqyy 3,7:ggll 3,6:gii 3,7:jghu 3,6:bnh 3,7:trnt 3,6:wbn 3,7:wwww 6,10:wqhk 6,10:wqhw 12,16:wqia 6,10:wqie 6,10:wqif 6,10:wqif 6,10:wqij 6,10:wqip 6,10:wqit 6,10:wqiy 6,10:wqjg 6,10:wqjg 9,13:wqjg bash-4.0$ ./reg "[a-y]{1,} [a-y]{1,}" <aaa 3,12:rqyy rqyy 3,12:ggll ggll 3,10:gii gii 3,12:jghu jghu 3,10:bnh bnh 3,12:trnt trnt 3,10:wbn wbn 3,12:wwww wwww 13,22:jghu jghu 13,22:jghu jghu bash-4.0$ ./reg "[:lower:]*" <aaa 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: bash-4.0$ ./reg "[:lower:]+" <aaa 3,4:r 5,7:ll 4,5:r 3,4:w 3,7:wwww 6,7:w 6,7:w 12,13:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 9,10:w bash-4.0$ ./reg "[:lower:]+" <aaa 3,4:r 5,7:ll 4,5:r 3,4:w 3,7:wwww 6,7:w 6,7:w 12,13:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 9,10:w bash-4.0$ ./reg "[:lower:]*" <aaa 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: 0,0: bash-4.0$ ./reg "[:lower:]{1,}" <aaa 3,4:r 5,7:ll 4,5:r 3,4:w 3,7:wwww 6,7:w 6,7:w 12,13:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 9,10:w bash-4.0$ ./reg "[a-y]{1,} [a-y]{1,}" <aaa 3,12:rqyy rqyy 3,12:ggll ggll 3,10:gii gii 3,12:jghu jghu 3,10:bnh bnh 3,12:trnt trnt 3,10:wbn wbn 3,12:wwww wwww 13,22:jghu jghu 13,22:jghu jghu bash-4.0$ ./reg "[a-y]{1,}" <aaa 3,7:rqyy 3,7:ggll 3,6:gii 3,7:jghu 3,6:bnh 3,7:trnt 3,6:wbn 3,7:wwww 6,10:wqhk 6,10:wqhw 12,16:wqia 6,10:wqie 6,10:wqif 6,10:wqif 6,10:wqij 6,10:wqip 6,10:wqit 6,10:wqiy 6,10:wqjg 6,10:wqjg 9,13:wqjg bash-4.0$ ./reg "[:lower:]{1,}" <aaa 3,4:r 5,7:ll 4,5:r 3,4:w 3,7:wwww 6,7:w 6,7:w 12,13:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 6,7:w 9,10:w bash-4.0$ ./reg "[a-y]{1,}" <aaa 3,7:rqyy 3,7:ggll 3,6:gii 3,7:jghu 3,6:bnh 3,7:trnt 3,6:wbn 3,7:wwww 6,10:wqhk 6,10:wqhw 12,16:wqia 6,10:wqie 6,10:wqif 6,10:wqif 6,10:wqij 6,10:wqip 6,10:wqit 6,10:wqiy 6,10:wqjg 6,10:wqjg 9,13:wqjg